San Pablo Bay National Wildlife Refuge Weather Forecast

    • 56
    • 67

    Gradual Clearing

    • 55
    • 69

    Mostly Cloudy

    • 56
    • 72

    Mostly Cloudy

    • 56
    • 70

    Partly Sunny

    • 57
    • 73

    Mostly Cloudy

    • 57
    • 74

    Partly Sunny

Today 14 Aug North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 60s to 70s. South Winds 5 to 15 Mph.

Tonight 14 Aug North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s to upper 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Pablo Bay National Wildlife Refuge Temperature Statistics

August Temperature

Napa, Napa County Airport (5.6 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    66.6 °F

  • Highest 2 August, 2026

    86.6 °F

Climate (2021–2026)

Napa, Napa County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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